Nickelodeon All-Star Brawl 's confirmed list of characters is certainly something to get excited about, but there's also potential for so many other characters to make an appearance. The game has over twenty years of Nickelodeon history to draw on, and there are dozens of Nickelodeon characters that could still show up . Some fans are already pointing out some surprising omissions from the first trailer, such as Timmy Turner from Fairly OddParents , and Jenny Wakeman from My Life as a Teenage Ro...